Quarterly report [Sections 13 or 15(d)]

Accumulated Other Comprehensive Income - Reclassifications out of AOCI (Details)

v3.26.1
Accumulated Other Comprehensive Income - Reclassifications out of AOCI (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Dec. 31, 2025
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Jun. 30, 2026
Jun. 30, 2025
Sep. 30, 2025
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]                  
Prior service credit $ (157,824)     $ (227,421)     $ (499,549) $ (787,088)  
Other income (deductions), net (2)     (497)     3,034 1,954  
Income before income tax (23,643)     58,864     32,724 41,390  
Income taxes (46)     (43,477)     (34,618) (38,391)  
Net (loss) income (23,689) $ (21,834) $ 43,629 15,387 $ (8,916) $ (3,472) (1,894) 2,999  
Gain on divestitures, net 234     57,103     109,498 55,031  
Divestitures | Brand Solutions                  
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]                  
Gain on divestitures, net                 $ 55,139
Reclassification out of Accumulated Other Comprehensive Income | Net investment hedges                  
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]                  
Interest expense 23     191     (441) 847  
Post-retirement benefit plans | Reclassification out of Accumulated Other Comprehensive Income                  
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]                  
Income before income tax 253     219     759 673  
Income taxes (63)     (55)     (191) (170)  
Net (loss) income 190     164     568 503  
Prior service credit | Reclassification out of Accumulated Other Comprehensive Income                  
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]                  
Prior service credit 57     90     172 270  
Actuarial losses | Reclassification out of Accumulated Other Comprehensive Income                  
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]                  
Other income (deductions), net 196     129     587 403  
Cash Flow Hedges | Reclassification out of Accumulated Other Comprehensive Income                  
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]                  
Income before income tax (52)     464     (340) 1,840  
Income taxes 13     (116)     85 (458)  
Net (loss) income (39)     348     (255) 1,382  
Cash Flow Hedges | Reclassification out of Accumulated Other Comprehensive Income | Cash flow hedges                  
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]                  
Interest expense (75)     273     101 993  
Other | Reclassification out of Accumulated Other Comprehensive Income | Divestitures                  
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]                  
Gain on divestitures, net $ 0           $ (17,674)    
Other | Reclassification out of Accumulated Other Comprehensive Income | Divestitures | Brand Solutions                  
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]                  
Gain on divestitures, net       (92,681)       (92,681)  
Other | Reclassification out of Accumulated Other Comprehensive Income | Divestitures                  
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]                  
Other current liabilities       $ 0       $ (6,844)